CN106314661A - A bicycle brake and a method of constructing the contour of the surface portion of the brake rod - Google Patents
A bicycle brake and a method of constructing the contour of the surface portion of the brake rod Download PDFInfo
- Publication number
- CN106314661A CN106314661A CN201610495702.0A CN201610495702A CN106314661A CN 106314661 A CN106314661 A CN 106314661A CN 201610495702 A CN201610495702 A CN 201610495702A CN 106314661 A CN106314661 A CN 106314661A
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- Prior art keywords
- rotation
- bar
- roller
- rotation axis
- brake
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/02—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements
- B62L1/06—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged
- B62L1/10—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged by the elements moving substantially parallel to the wheel axis
- B62L1/14—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged by the elements moving substantially parallel to the wheel axis the elements being mounted on levers pivotable about different axes
- B62L1/16—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged by the elements moving substantially parallel to the wheel axis the elements being mounted on levers pivotable about different axes the axes being located intermediate the ends of the levers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/02—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements
- B62L1/06—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/005—Brakes; Arrangements thereof constructional features of brake elements, e.g. fastening of brake blocks in their holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/02—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements
- B62L1/06—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged
- B62L1/10—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged by the elements moving substantially parallel to the wheel axis
- B62L1/14—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged by the elements moving substantially parallel to the wheel axis the elements being mounted on levers pivotable about different axes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
A bicycle brake and a method of constructing the contour of the surface portion of the brake rod are provided; the brake comprises the following units: a first lever pivoting on a first rotation axis and comprising an actuating arm having an internal cable connected to the sheath cable and a brake arm supporting the first brake pad; a second lever pivoting on a second rotation axis parallel to the first axis of rotation, and comprising an actuating arm having a sheath connected to the sheath cable and a brake arm supporting the second brake pad; a roller for coupling the first and second rods and pivoting to one of the first and second rods, and rolling contact with the other surface portion between the first and second rods, wherein the surface portion has a profile defined by a curve passing through a predetermined number of points of the roll, each point being defined as a function of the position at which the roll rotates about when the corresponding rotation angle corresponding to the first rotation axis on the roll and the corresponding rotation around the second rotation axis are substantially equal to the corresponding predetermined rotation angles.
Description
Technical field
The present invention relates to bicycle brake.
Preferably, this brake is designed in race bicycle.
The method that the invention still further relates to the profile of the surface element of bar for constructing aforementioned brake.
This brake can be arranged on cycle frame (especially, on the fork of vehicle frame) and at trailing wheel at front-wheel.
Background technology
Generally, bicycle brake includes two bars supporting corresponding skid.Two bars are controlled so as to clamp skid
Around the wheel rim of front-wheel/trailing wheel, so that front-wheel/trailing wheel is braked.The clamping of skid be by cyclist to control bar
Occur after the actuating of (being usually placed in the end of handle), wherein one end of sheath cable (Bowden cable) and control bar phase
Association, the other end of sheath cable is associated with the two of brake bars.
Especially, the brake of the present invention has: the first bar, and this first bar has the internal cable being connected to sheath cable
Actuator arm；And second bar, this second bar has the actuator arm of the sheath being connected to sheath cable.
The brake of the three types of this kind is it is known that have single rotation axis and single holding pin (hereinafter, title
Brake for A type)；There is dual rotary axis and single holding pin (braking hereinafter, referred to Type B)；And there is dual rotary axis
With dual-fastening pin (braking hereinafter, referred to c-type).
In A type brakes, two bars are hinged around single centrepin, and centrepin acts also as the fastening of the vehicle frame of bicycle
Pin.At this in brake, (at centrepin), therefore define the single rotation axis of two bars.
In Type B brakes, one (being generally coupled to the bar of the sheath of sheath cable) in two bars is around acting also as
Hinged to the centrepin of holding pin of vehicle frame of bicycle, and another bar (is generally coupled to the internal cable of sheath cable
Bar) to be centered around on supportive body the second fixing pin hinged, and supportive body is fixed to again centrepin.At this in brake, therefore (
At two pins) define two rotation axiss, in pin, only one (centrepin) is associated with the vehicle frame of bicycle.
In c-type is braked, each bar is hinged around respective pins, and respective pins acts also as the holding pin of the vehicle frame of bicycle.
At this in brake, therefore defining two rotation axiss (at two pins), two pins are all associated with the vehicle frame of bicycle.
In the brake of all three aforementioned type, in being connected to the bar of sheath of sheath cable, to aforementioned sheath (and
And therefore, the actuator arm of this bar) attachment area be arranged in supporting zone (and therefore, this bar of skid relative to wheel
Brake arm) the same side on.Differently, in being connected to the bar of internal cable of sheath cable, to aforementioned inner cable (and
And the actuator arm of therefore this bar) attachment area be arranged in supporting zone (and therefore this bar of skid relative to wheel
Brake arm) opposition side on.
A type and Type B brake such as by document WO 2007/063564 disclosure of same applicant.
C-type brake can commercially obtain, and is typically indicated by following statement: " being mounted directly " brakes.
The present invention relates to define the brake of two rotation axiss, and be therefore Type B or c-type brake.The present invention's
In preferred embodiment, the present invention relates to c-type brake.
Type B or c-type brake can include the roller being coupled to each other for two bars.Roller (is typically parallel at pivot axis
Two rotation axiss of two bars) (being generally coupled to the bar of the internal cable of sheath cable) place being in two bars
Pivot.Roller and the surface element Structure deformation of another bar (being generally coupled to the bar of the sheath of sheath cable).
When the bar that roller is pivoted to rotates around the rotation axis of such bar, roller pushes away in the rotation around its rotation axis
Another bar dynamic.During rotating at this, roller rolls on the surface element of another bar.
The applicant has observed that Type B and c-type brake the swiftness and gradual of braking and can be stopped for two
The abrasion aspect of the skid that car pad is typically different is improved.
Especially, the applicant has observed that the optimal conditions of the braking in order to ensure skid and abrasion, is adapted ensure that
During the use of brake, two bars rotate roughly equal angle around corresponding rotation axis, therefore relative to the wheel at wheel
The corresponding brake area limited in circle obtains the roughly the same movement of two skids.
Summary of the invention
Problem on the basis of the present invention is to realize aforementioned optimization braking condition.
Therefore, the present invention relates to a kind of bicycle brake in its first aspect, including:
First bar, described first bar pivots on the first rotation axis, and described first bar has and protects for being connected to
Overlap the actuator arm of the internal cable of cable and for supporting the brake arm of first brake pad；
Second bar, described second bar pivots on the second rotation axis parallel with described first rotation axis, and institute
State the second bar and there is the actuator arm of sheath for being connected to described sheath cable and for supporting the braking of the second skid
Arm；
Roller, described roller is coupled to each other for described first bar and described second bar, and wherein said roller is pivoted to described
Between first bar and described second bar one, and described roller and another between described first bar and described second bar
Surface element Structure deformation；
Wherein said surface element has the profile of the curve limit by the predetermined number point of destination through described roller, in described point
Each be defined as rotating the corresponding predetermined anglec of rotation accordingly and around described at described roller around described first rotation axis
During two rotation axiss rotate the respective angles roughly equal to the described corresponding predetermined anglec of rotation accordingly, described roller is taked
The function of position.
Advantageously, the bicycle brake of the present invention makes to significantly improve the swiftness and gradual of braking and is possibly realized, because of
For, during braking, the particular configuration of the profile of the surface element of the bar that the roller giving the credit to associate with another bar contacts, two bars are also
And therefore two skids in synchronized with each other and uniform mode close to the wheel rim of cycle wheel, i.e. the skid of a bar
Close as many close to the braking orbit of bicycle rim with the skid of another bar.
In this way, wheel rim heats up on two relative braking orbits in an uniform way, and then guarantees the most linear
Braking and the less stress on two bars of brake.In this way, brake force is evenly distributed in two bars of brake
On.
As result, two contrary pads also have uniform abrasion, and therefore, once both all reaches substantially simultaneously
Their minimum thickness, just can be replaced.
The bicycle brake of the present invention can include the one in the following preferred feature individually or in combination used or
More persons.
Preferably, first in described predetermined number point of destination with when described roller is relative to described first rotation axis
First coincidence of described roller time in the reference position of speech, and each the other point in wherein said predetermined number point of destination
To when described roller started from described reference position around described first rotation axis rotate the described corresponding predetermined anglec of rotation and
Described in when described second rotation axis rotates roughly equal to the described corresponding predetermined anglec of rotation described respective angles first
Put the point advanced thus be positioned to overlap.
Preferably, the described point of the first contact is the summit of described roller when described roller is in described reference position.
Preferably, by making described roller identify relative to the described first corresponding predetermined positive rotation angle of rotation axis rotation
Part I in described other point, and by making described roller rotate corresponding predetermined negative relative to described first rotation axis
The anglec of rotation identifies the Part II in described other point.
Preferably, the number of the described other point that described Part I includes equal to described Part II described additionally
The number of point.
In a second aspect of the present invention, the present invention relates to construct the side of the profile of the surface element of the bar of bicycle brake
Method, described surface element is designed to be coupled to by Structure deformation couple roller, and described connection roller is at described bicycle brake
Pivoting on first bar of car, described first bar is designed to rotate around the first rotation axis, thus gives described surface element
Rotation around second rotation axis parallel with described first rotation axis；
Said method comprising the steps of:
Pre-set described first bar；
Described first bar is given the rotation of the predetermined number around described first rotation axis, makes described in either case
First bar rotates the corresponding predetermined anglec of rotation；
Describe the curve of predetermined number point of destination through described roller, each in described point be defined as described roller around
Described first rotation axis rotates the corresponding predetermined anglec of rotation accordingly and rotates accordingly and described phase around described second rotation axis
Should the function of the position that described roller is taked during the roughly equal respective angles of the predetermined anglec of rotation；
Along profile described in this curve construction.
The method of the present invention makes to construct a kind of brake and is possibly realized, and in this brake, two bars are around phase during use
Answer rotation axis to rotate roughly equal angle, therefore obtain relative to the corresponding brake area defined in the wheel rim of wheel
Obtain the roughly the same movement of two skids.
It is one or more that the method for the present invention can include in the following preferred feature individually or in combination used.
Preferably, the step describing described curve comprises the following steps:
In when described roller is in the reference position for described first rotation axis first of described roller
Identify the first point in described predetermined number point of destination；
Described roller gives the rotation of the predetermined number around described first rotation axis, and each rotation is by described corresponding predetermined
The anglec of rotation limits；
In each rotation of described roller, described roller is made to rotate and the described corresponding predetermined anglec of rotation around described second rotation axis
Spend roughly equal described respective angles；
Along with described roller is around described first rotation axis with around each rotation of described second rotation axis described
The each other point identifying in described predetermined number point of destination in the point a little advanced thus be positioned at.
Preferably, described first is the summit of described roller.
Preferably, the rotation of described predetermined number include the rotation with corresponding predetermined positive rotation angle to have corresponding pre-
Determine both rotations of negative rotation gyration.
Preferably, there is the number of rotation of corresponding predetermined positive rotation angle equal to having the corresponding predetermined negative anglec of rotation
The number rotated.
Accompanying drawing explanation
Further characteristic of the invention and advantage will become more from the description of some preferred embodiments made reference to
Add substantially, wherein:
Fig. 1 is the perspective view of the first embodiment of the bicycle brake (especially, front brake) according to the present invention；
Fig. 2 is the anterior front view of the brake of Fig. 1；
Fig. 3 is the rear portion front view of the brake of Fig. 1；
Fig. 4 is the decomposition diagram of the brake of Fig. 1；
Fig. 5 is the perspective view of the first bar of the brake of Fig. 1；
Fig. 6 is the perspective view of the second bar of the brake of Fig. 1；
Fig. 7 is the decomposition diagram of the bar of Fig. 6；
Fig. 8 is the cross-sectional view of the brake of Fig. 1；
The second of the bicycle brake (especially, rear braking) according to the present invention that Fig. 9 is mounted on cycle frame
The perspective view of embodiment；
Figure 10 is the anterior front view of the brake of Fig. 9；And
Figure 11 to Figure 16 illustrates the structural scheme of the profile of the surface element of the bar of Fig. 6 in order.
Detailed description of the invention
In the accompanying drawings, reference 10 indicates the bicycle brake according to the present invention.
Brake 10 includes two rotation axiss X1, X2 and two holding pins 40,42, i.e. brake 10 is stopping of above-mentioned c-type
Car.
Brake 10 is installed on cycle frame at front-wheel or trailing wheel by two holding pins 40,42.Especially, figure
The brake 10 of 1 to Fig. 8 is arranged at front-wheel, especially, is arranged on the front fork of vehicle frame.On the other hand, the brake of Fig. 9, Figure 10
10 are arranged at trailing wheel.
Referring to figs. 1 through Fig. 8, brake 10 includes: the first bar 20, and this first bar 20 pivots at rotation axis X1 and can be around
Holding pin 40 rotates；And second bar 30, this second bar 30 pivots at rotation axis X2 and can rotate around holding pin 42.
Rotation axis X1, X2 are almost parallel.
Holding pin 40,42 is secured within the vehicle frame of bicycle in the corresponding blind hole 51,52 arranged.Fig. 1 illustrate two blind
Hole 51,52, but do not show that the vehicle frame of bicycle.
Two bars 20,30 support corresponding skid 21,31.
Two bars 20,30 be controlled so as to be clipped in skid 21,31 around the wheel rim (not shown) of the wheel of bicycle with
Wheel is braked.
The clamping of skid 21,31 occurs, after made control bar (not shown) activate by cyclist, to control the usual cloth of bar
Put and be associated with controlling bar in the end of handle of bicycle and one end of sheath cable (not shown).
Sheath cable is the most inextensible Bowden cable, and Bowden cable has the internal cable being enclosed within sheath.
Brake 10 includes that roller 29, roller 29 are coupled to each other for bar 20,30.Roller 29 is pivoted to bar at pivot axis X3
20.Roller 29 and surface element 39 Structure deformation of bar 30.Alternatively, roller 29 can pivot on bar 30, and with the table of bar 20
Face Structure deformation.
When bar 20 rotates around the first rotation axis X1, roller 29 is catch bar 30 in the rotation around rotation axis X2.
During rotating at this, roller 29 rolls on the surface element 39 of bar 30.
First bar 20 has actuator arm 23, and actuator arm 23 is connected to the internal cable of sheath cable, and the second bar 30 has
Actuator arm 33, actuator arm 33 is had to be connected to the sheath of sheath cable.Each actuator arm 23,33 from the hinge area 24 of bar 20,30,
The attachment area 26,36 of the 34 internal cable/sheaths extending to sheath cable.
Each bar 20,30 also has brake arm 22,32, and corresponding skid 21,31 is arranged on brake arm 22,32.Each
Brake arm 22,32 extends to the supporting zone 25,35 of skid 21,31 from the hinge area 24,34 of bar 20,30.
In the second bar 30, the attachment area 36 to aforementioned sheath (and therefore actuator arm 33) is arranged in relative to wheel
On the same side of the supporting zone 35 (and therefore brake arm 32) of skid 31.Differently, in the first bar 20, in aforementioned
The attachment area 26 of portion's cable (and therefore actuator arm 23) relative to wheel be arranged in the supporting zone 25 of skid 21 (and
Therefore brake arm 22) opposition side on.
The brake arm 22,32 of bar 20,30 is to make with the different part from corresponding actuator arm 23,33.Especially, braking
Arm 22,32 is hinged to corresponding actuator arm 23,33 at rotation axis X1, X2 of respective rods 20,30.
Especially, as shown in Fig. 5 to Fig. 7, brake arm 22,32 has furcation 22a, 32a, and this furcation 22a, 32a set
There are coaxial through-hole 27a, 37a.
Actuator arm 23,33 has adnexa 23a, 33a, and adnexa 23a, 33a are provided with through hole 27b, 37b.
Adnexa 23a, 33a are inserted in furcation 22a, 32a, in order to make coaxial (therefore, the formation bar 20 of through hole 27a and 27b
Through hole 27) and make through hole 37a and 37b coaxial (therefore, forming the through hole 37 of bar 30).
Brake arm 22,32 includes slit 22b, 32b, pin 21a, 31a of being associated with skid 21,31 insert slit 22b,
In 32b.Pin 21a, 31a can be fixed at various height in slit 22b, 32b, in order to relative to the braking of the wheel rim of wheel
Track and adjust the position of the height of skid 21,31.
In each bar 20,30, be provided with device 120,130 for adjust relative to actuator arm 23,33 brake arm 22,
The angle position of 32.These adjusting apparatus 120,130 will be described after a while.
Brake 10 also includes the support component 60 of bar 20,30.
Bar 20,30 is arranged on support component 60 by corresponding hollow pin 70,80.
Especially, as shown in Figure 4, hollow pin 70 is contained in the through hole 27 being formed at coaxially in bar 20 with rotation axis X1
In and be again formed at coaxially in the through hole 61 in support component 60 with rotation axis X1.
Hollow pin 80 be contained in be formed at coaxially in the through hole 37 in the second bar 30 with rotation axis X2 and again with
Rotation axis X2 is formed in the through hole 62 in support component 60 coaxially.
Each hollow pin 70,80 is provided with the corresponding longitudinal cavity 72,82 for making corresponding holding pin 40,42 pass through.
In the preferred embodiment of brake 10, hollow pin 70,80 is rotatably received within through hole 27,37.In this situation
Under, slide bushing 28,38 is stably installed (such as by interfering) in through hole 27,37.Therefore slide bushing 28,38 is radially situated between
Enter between through hole 27,37 and hollow pin 70,80, and also perform to be tied to brake arm 22,32 function of articulated jib 23,33.
Between lining 28,38 and hollow pin 70,80, be provided with the connection with gap so that (lining 28,38 with
Its all-in-one-piece) bar 20,30 can rotate around hollow pin 70,80.
As it is shown in fig. 7, lining 38 includes two parts 38a being inserted into through hole 37 from opposition side.Every a part of 38a bag
Include the head 38b axially against bar 30.
When two parts 38a are inserted in through hole 37, the end 38c contrary with head 38b of two parts 38a can
To contact with each other or can not contact with each other.
In the case of end 38c does not contacts with each other, another lining (not shown) can be got involved between two parts 38a.
Similar with lining 38, lining 28 is also partially fabricated with two or three.
Referring specifically to Fig. 4, hollow pin 70,80 include at the first free end the head 75 axially against bar 20,30,
85, and include being bonded in the internal whorl in the through hole 61,62 being formed at support component 60 at opposite free end portion
External screw-thread 77,87.
Give the credit to above-mentioned structure, it can be ensured that between support component 60 and bar 20,30, there is predetermined axial gap.This
Gap is by being tightened on the internal whorl of through hole 61,62 of support component 60 by the external screw-thread 77,87 of hollow pin 70,80
Degree determine.In particular it is preferred to adjust this axial gap so as to prevent support component 60 be the most axially connected to bar 20,
On 30, in order to do not hinder bar 20,30 to rotate freely around rotation axis X1, X2 during braking.
The external screw-thread 77,87 of each free end of hollow pin 70,80 is also screwed into respective hollow nut 78,88
In.
Each hollow nut 78,88 be provided with for make corresponding longitudinal cavity 79 that corresponding holding pin 40,42 passes through,
89。
Flexible member 90 is got involved between support component 60 and hollow nut 78,88.
Flexible member 90 is to install under preload condition, in order to thrust on bar 20,30.
As shown in Figure 3 and Figure 4, flexible member 90 is accommodated in support component 60 in addition to its two end opposite.
Flexible member 90 includes: first 91, and this first 91 is coaxially arranged with rotation axis X1；Second 92, should
It is coaxially arranged with rotation axis X2 for second 92；Pars intermedia 93, this pars intermedia 93 is connected to second 92 by first 91；The
One end 91a, this first end 91a are arranged on the side contrary with pars intermedia 93 relative to first 91, and are leaving bar
On the direction of the brake arm 32 of 30 with thrust on the brake arm 22 of bar 20；And the second end 92a, this second end
92a is arranged on the side contrary with pars intermedia 93 relative to second 92, and on the direction of brake arm 22 leaving bar 20
With thrust on the brake arm 32 of bar 30.
The effect of the thrust stress by being applied on end 91a, 92a of flexible member 90 by brake arm 22,32, along with
It is being arranged in the bicycle handlebar order controlling to give on bar on hand, it is achieved that skid 21,31 is during braking by cyclist
Closer to each other.
In above-mentioned preferred embodiment, including bar 20,30, support component 60, hollow pin 70,80, nut 78,88 and bullet
Property element 90 assembly be the assembly 12 of pre-assembly, assembly 12 is assembled and by operator by two by the supplier of brake 10
Individual holding pin 40,42 and be installed on the vehicle frame of bicycle.
In this specification and following claims, statement " assembly of pre-assembly " meaning is assembled also by supplier
And so by operator, brake is being installed between the vehicle frame last issue of bicycle the assembly that uses.In other words, pre-assembly
Assembly is substantially ready for being installed on the vehicle frame of bicycle, and operator performs to constitute the group of pre-assembly the most thereon
Further assembling/the disassembling section of the parts of part.
Holding pin 40,42 can be a part for the assembly 12 of pre-assembly.In the case, supplier provided
Brake 10 has holding pin 40,42, and holding pin 40,42 is at least partially housed in the hollow pin 70,80 in the presence of through hole 27,37
Longitudinal cavity 72,82 in.
Referring specifically to Fig. 8, actuator arm 22,32 for relative to actuator arm 23,33 carry out adjusting lever 20,30 be will now be described
The device 120,130 of angle position.
Adjusting apparatus 120,130 includes that screw 122,132, screw 122,132 are screwed into institute's shape in actuator arm 23,33
In the tapped through hole 124,134 become.
Each screw 122,132 has relative to actuator arm 23,33 prominent head 122a, 132a and against brake arm
22,32 opposite end surface 122b, 132b so that screw 122,132 relative to tapped through hole 124,134 tighten/unscrew dynamic
Make to cause the brake arm 22,32 change relative to the position of actuator arm 23,33.
In embodiments illustrated here, each brake arm 22a, 32a are at the tapped through hole 124,134 of actuator arm 23,33
Place has the hole that connector 125,135 is plugged into, and connector 125,135 is provided with head, the end surfaces of screw 122,132
122b, 132b act as being resisted against on this head.
Each actuator arm 23,33 includes 124a, 134a at tapped through hole 124,134, and this 124a, 134a is used for portion
Partial volume receives head 122a, 132a of screw 122,132.Seat 124a, 134a have planarization basal surface, tapped through hole 124,134
From the beginning of this planarization basal surface.
Planarize the basal surface reference brake 10 installation site on vehicle frame 50 and tilt relative to vertical plane.
Actuator arm 23,33 and brake arm 22,32 have corresponding first surface 126,136, and first surface 126,136 is designed
For screw 122,132 relative to screwed hole 124,134 tighten action after formed against each other.
In the operative configuration shown in Fig. 8, the relative position between brake arm 32 with actuator arm 33 make surface 136 that
This abuts, and therefore limits stroke termination condition in tightening in screw 132 to screwed hole 134.On the other hand, brake arm 22 with
Relative position between actuator arm 23 makes surface 126 the most against each other, therefore limits along with screw 122 to screwed hole 124
In tighten the condition still allowing for brake arm 22 relative to actuator arm 23 relative movement further.
Actuator arm 23,33 and brake arm 22,32 can also be relative to screw 122,132 and first surface 126,136 phases
There is on anti-side corresponding second surface 128,138, second surface 128,138 be designed to screw 122,132 relative to
Screwed hole 124,134 unscrew action after formed against each other.
The brake 10 of Fig. 9 and Figure 10 has above with reference to the same characteristic features described in the brake of Fig. 1 to Fig. 8.Fig. 9 is specifically shown
Brake 10 is positioned in the part 50 of cycle frame close to the storage case of the bottom bracket assembly of bicycle.
As it has been described above, brake 10 is set to by supplier's pre-assembly.Especially, supplier provides above-mentioned to operator
The assembly of pre-assembly.
By brake 10 be installed on the vehicle frame of bicycle time, as long as operator by by hollow pin 70,80 be arranged on
Blind hole 51,52 on the vehicle frame of bicycle is directed at and positions the assembly 12 of pre-assembly.The assembly of pre-assembly is therefore by tight
Though screw 40,42 be fixed on cycle frame.
The relative position of bar 20,30 is set by supplier.
If so desired, by intervening screw 122,132, operator is able to carry out skid 21,31 relative to wheel
The difference of circle adjusts, and does not change the relative position of bar 20,30.
Therefore the internal cable of sheath cable is fixed in the attachment area 26 of bar 20 by operator, and by sheath cable
Sheath be fixed in the attachment area 36 of bar 30.
Operator can by the attachment area 36 of bar 30 is intervened and at the car that brake 10 is arranged on bicycle
The relative position of adjusting lever 20,30 after on frame.
In operation, in response to cyclist's actuating to control bar, the traction of the internal cable of sheath cable causes brake
Pad 21,31 is closer to each other, and makes bar 20,30 rotate around rotation axis X1, X2, until skid 21,31 resists by flexible member
90 be applied to the elastic thrust on bar 20,30 and on the corresponding braking orbit that is clamped on the wheel rim being formed at wheel till.With
This mode, it is thus achieved that braking.
The actuating once controlling bar terminates, and bar 20,30 is just retracted, in resting position by flexible member 90 towards resting position
In, skid 21,31 is spaced apart from each other and is not the most shelved on the wheel rim of wheel.
Referring specifically to Fig. 8, it is shown that the surface element 39 of the second bar 30, roller 29 and surface element 39 Structure deformation.
Surface element 39 has by being adapted to ensure that the profile that following reverse building method constructs: for the first bar 20
Each rotation of the predetermined angular around the first rotation axis X1, the second bar 30 be substantially equal to this around the second rotation axis X2
The rotation of the angle of predetermined angular correspondingly (absolute value is roughly equal, but in contrary direction of rotation).This is so that as far as possible
Minimize the difference in the movement braking two skids of period 21,31, thus obtain roughly the same on two braking orbits
Brake force, and the temperature of two the most roughly equal braking orbits.
The profile of surface element 39 is defined as: along with roller 29 self around rotation axis X1 rotate the corresponding predetermined anglec of rotation with
And roller 29 self around rotation axis X2 rotate the respective angles roughly equal to the aforementioned corresponding predetermined anglec of rotation and roller 29 is taked
The function of position.
Especially, aforesaid profile is limited by the curve through predetermined number point of destination, predetermined number point of destination will bar 20 (and
And therefore roller 29) during the rotation of rotation axis X2, constitute the bar 30 point of contact relative to roller 29 around rotation axis X1 and bar 30.
Figure 11 to Figure 16 is shown through the wheel that aforementioned reverse building method limits the surface element 39 of the second bar 30 in order
The structure of wide curve.
Figure 11 graphic in the initial reference of the assembly 12 of pre-assembly constructs by roller 29 and skid 21,31
The position that support region 25,35 (and therefore, brake arm 22,32) is taked relative to two through holes 27,37 of two bars 20,30
Put.These positions are corresponding to the position taked (i.e. when the control bar of brake does not activated) in the quiescent conditions of brake.?
In this structure, roller 29 is in reference position relative to rotation axis X1.
Include for constructing the method for the profile of the surface element 39 of bar 30: the most limited and constructed bar 20, will pass through
Bar 20 (and therefore, to the roller 29 that bar 20 is associated) is made to rotate the corresponding predetermined anglec of rotation and to bar 20 in each case
(and the roller 29 being therefore associated with bar 20) gives the step of the rotation of the predetermined number around rotation axis X1.
Figure 12 illustrate from the initial construction shown in Figure 11 start by roller 29 under aforementioned rotation (such as whenever bar 20 is suitable
Clockwise rotates 1 ° until during the total angle of +/-10 ° with counterclockwise both are upper) position taked.
In the non-limiting example of Figure 12, the number of rotation in the clockwise direction is equal to rotation in the counterclockwise direction
The number turned.
Figure 12 to Figure 16 illustrates the position taked under aforementioned rotation by the supporting zone 25 of bar 20.
As shown in figure 13, in each position taked by roller 29, the reference point of mark roller 29.Figure 11 to Figure 16 institute
In the example shown, reference point is the summit of roller 29, corresponding to being arranged on the vehicle frame 50 of bicycle in the position of use when brake 10
The peak of roller 29 time upper.
The initial reference point of roller 29 and roller 29 and bar when roller 29 is in above-mentioned reference position relative to rotation axis X1
The initial contact point of 30 overlaps.Therefore, this point is first point of curve of profile of the surface element 39 limiting bar 30.
The each other point of aforementioned curve is identified by the corresponding other reference point of roller 29.This kind of other reference
Point has started from reference position to rotate the corresponding predetermined anglec of rotation and roller 29 around rotation axis around rotation axis X1 to when roller 29
X2 rotates aforementioned initial reference point when being substantially equal to the respective angles of the corresponding predetermined anglec of rotation and advances thus the point that is positioned at overlaps.
Therefore, define at bar 20 around the rotation of rotation axis X1 and bar 30 around rotary shaft X2 equal angles but in the opposite direction
The point of the condition that roller 29 maintenance is tangent with the profile of the surface element 39 of bar 30 during rotation.
The profile of surface element 39 through the curve limit bar 30 of above-mentioned all reference points.Therefore, this profile is by passing through
If the curve limit done, described point for roller 29 (and therefore, bar 20) around each rotation of rotation axis X1 special angle
Experience the rotation around rotation axis X2 equal angles.There is the wheel of the surface element 39 of the shape equal with the shape of described curve
Wide structure guarantees that bar 20 rotates around the equal angular of rotation axis X2 around rotation axis X1 and bar 30, and thereby, it is ensured that stops
Car pad 21,31 is relative to the identical movement of the wheel rim of wheel.
In order to describe aforementioned curve, perform as indicated by hereafter.
As shown in figure 13, at all reference points identified, describe horizontal throw T.
As shown in Figure 14 and Figure 15, every one stroke T is then made to rotate around rotation axis X2 corresponding equal to what roller 29 had rotated
The angle of angle.Especially, Figure 14 illustrate with by the clockwise direction perform roller 29 rotation (in instances, until+
The anglec of rotation of 10 °) and the stroke U1 corresponding for stroke T that obtains, and Figure 15 illustrate with by performing roller in the counterclockwise direction
The rotation of 29 (in instances, until the anglec of rotation of-10 °) and the stroke U2 corresponding for stroke T that obtains.Figure 14 and Figure 15 also shows
Go out by the supporting zone 35 of bar 30 for each position taked around the aforementioned rotation of rotation axis X2.Especially, Figure 14 shows
Go out by supporting zone 35 in (from the beginning of the initial construction shown in Figure 11) after rotation axis X2 rotates in the clockwise direction
The position taked, and Figure 15 also illustrates that and is taked afterwards rotating in the counterclockwise direction around rotation axis X2 by supporting zone 35
Position.Therefore, Figure 15 indicates the stroke U1 and stroke U2 of Figure 14.
Figure 16 illustrates the curve U3 of the initial point (being in the point of the leftmost side the most in figure 16) through stroke U1 and U2.This is bent
Line U3 limits the profile of the surface element 39 of bar 30.
Therefore, supplier notes constructing the bar 30 of the aforesaid profile with the shape identical with the shape of aforementioned curve.
Certainly, the above-mentioned present invention can be brought many amendments and modification by those skilled in the art, in order to meet spy
Fixed He accidental requirement, all such modifications and modification are the most all by the present invention as defined in the claims
Protection domain comprised.
Claims (10)
1. bicycle brake (10), including:
First bar (20), described first bar (20) is in the upper pivot of the first rotation axis (X1), and described first bar (20) has
For being connected to the actuator arm (23) of the internal cable of sheath cable and being used for supporting the brake arm of first brake pad (21)
(22)；
Second bar (30), described second bar (30) is on second rotation axis (X2) parallel with described first rotation axis (X1)
Pivot, and described second bar (30) have sheath for being connected to described sheath cable actuator arm (33) and for
Support the brake arm (32) of the second skid (31)；
Roller (29), described roller (29) is coupled to each other for described first bar (20) and described second bar (30), wherein said roller
(29) be pivoted between described first bar (20) and described second bar (30), and described roller (29) with described the
Another surface element (39) Structure deformation between one bar (20) and described second bar (30)；
Wherein said surface element (30) has the profile of the curve limit by the predetermined number point of destination through described roller (29), described
Each in point is defined as at described roller (29) around described first rotation axis (X1) the corresponding predetermined anglec of rotation of rotation accordingly
Spend and rotate the respective angles phase roughly equal to the described corresponding predetermined anglec of rotation accordingly around described second rotation axis (X2)
Between the function of position taked of described roller (29).
Brake the most according to claim 1 (10), first in wherein said predetermined number point of destination with when described roller
(29) first coincidence of described roller (29) time in the reference position for described first rotation axis (X1), and
Each other point in wherein said predetermined number point of destination with when described roller (29) started from described reference position around
Described first rotation axis (X1) rotates the described corresponding predetermined anglec of rotation and rotates and institute around described second rotation axis (X2)
Described in when stating the roughly equal described respective angles of the corresponding predetermined anglec of rotation first point advanced thus be positioned at overlaps.
Brake the most according to claim 2 (10), wherein the described point of the first contact is when described roller (29) is in described ginseng
The summit of described roller (29) when examining in position.
Brake the most according to claim 2 (10), wherein by making described roller (29) relative to described first rotation axis
(X1) corresponding predetermined positive rotation angle is rotated to identify the Part I in described other point, and by making described roller (29)
The corresponding predetermined negative anglec of rotation is rotated to identify second in described other point relative to described first rotation axis (X1)
Point.
Brake the most according to claim 4 (10), the number etc. of the described other point that wherein said Part I includes
Number in the described other point of described Part II.
6. the method for the profile of the surface element (39) of the bar (30) of structure bicycle brake (10), described surface element (39) is designed
For being coupled to connection roller (29) by Structure deformation, described connection roller (29) is at the first of described bicycle brake (10)
Bar (20) is upper to be pivoted, and described first bar (20) is designed to rotate around the first rotation axis (X1), thus to described surface element
(39) rotation around second rotation axis (X2) parallel with described first rotation axis (X1) is given；
Said method comprising the steps of:
Pre-set described first bar (20)；
Described first bar (20) is given the rotation of the predetermined number around described first rotation axis (X1), makes in either case
Described first bar (20) rotates the corresponding predetermined anglec of rotation；
Describe the curve of predetermined number point of destination through described roller, each in described point be defined as described roller (29) around
Described first rotation axis (X1) rotates the corresponding predetermined anglec of rotation accordingly and rotates accordingly around described second rotation axis (X2)
The function of the position that described roller (29) is taked during the respective angles roughly equal to the described corresponding predetermined anglec of rotation；
Along profile described in this curve construction.
Method the most according to claim 6, the step wherein describing described curve comprises the following steps:
At the described roller (29) when described roller (29) is in the reference position for described first rotation axis (X1)
First identifies the first point in described predetermined number point of destination；
Give the rotation of predetermined number around described first rotation axis (X1) to described roller (29), each rotation by described accordingly
The predetermined anglec of rotation limits；
Each rotation to described roller (29), makes described roller (29) rotate around described second rotation axis (X2) corresponding pre-to described
Determine the described respective angles that the anglec of rotation is roughly equal；
Along with described roller (29) is around described first rotation axis (X1) with around each rotation of described second rotation axis (X2)
And described first each other point advanced thus identify in described predetermined number point of destination in the point that is positioned at.
Method the most according to claim 7, wherein said first is the summit of described roller (29).
Method the most according to claim 7, the rotation of described predetermined number includes having corresponding predetermined positive rotation angle
Rotate and the rotation with the corresponding predetermined negative anglec of rotation.
Method the most according to claim 9, wherein has the number of rotation of corresponding predetermined positive rotation angle equal to having
The number of the rotation of the corresponding predetermined negative anglec of rotation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITUB20151881 | 2015-06-30 | ||
| IT102015000028995 | 2015-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106314661A true CN106314661A (en) | 2017-01-11 |
| CN106314661B CN106314661B (en) | 2020-06-19 |
Family
ID=54064535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610495702.0A Active CN106314661B (en) | 2015-06-30 | 2016-06-29 | Bicycle brake and method of configuring the profile of a surface portion of a lever of said brake |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10259521B2 (en) |
| EP (1) | EP3112244A1 (en) |
| JP (1) | JP6814559B2 (en) |
| CN (1) | CN106314661B (en) |
| TW (1) | TWI708706B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466661A (en) * | 2018-05-11 | 2019-11-19 | 株式会社岛野 | Cable adjuster |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3112243B1 (en) * | 2015-06-30 | 2020-04-08 | Campagnolo S.R.L. | Bicycle brake |
| US10207767B2 (en) * | 2015-09-10 | 2019-02-19 | Sram, Llc | Bicycle rim brake |
| CN113357291A (en) * | 2020-03-05 | 2021-09-07 | 林昌慧 | Mechanical multi-connecting-rod disc brake |
| WO2023197058A1 (en) * | 2022-04-14 | 2023-10-19 | Nucap Industries Inc. | Brake pad assembly for a bicycle |
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| CN101076473A (en) * | 2005-12-02 | 2007-11-21 | 坎培诺洛有限公司 | Bicycle brake |
| CN201169355Y (en) * | 2008-01-07 | 2008-12-24 | 利奇机械工业股份有限公司 | Synchronous brake clamp |
| US20120222921A1 (en) * | 2011-03-04 | 2012-09-06 | Shimano, Inc. | Bicycle brake with synchronized brake arms |
| US20140041969A1 (en) * | 2012-08-09 | 2014-02-13 | Szu-Fang Tsai | Bicycle brake unit |
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| CH385049A (en) * | 1961-02-08 | 1965-02-26 | Altenburger Karl | Rim brakes for vehicles |
| US3314504A (en) * | 1962-02-06 | 1967-04-18 | Altenburger Karl | Rim brake |
| IT1257148B (en) * | 1992-09-11 | 1996-01-05 | Campagnolo Srl | BIKE BRAKE. |
| JP3816361B2 (en) | 2001-07-25 | 2006-08-30 | 三菱電機株式会社 | Train control radio system |
| FR2839941B1 (en) * | 2002-05-21 | 2004-08-20 | Henri Peyre | MECHANICAL PAD BRAKES FOR BICYCLES |
| US7000739B2 (en) * | 2002-10-07 | 2006-02-21 | Ciamillo Theodore J | Cam assisted wheel brake |
| US20050061587A1 (en) * | 2003-09-18 | 2005-03-24 | Tsai Shih Fan | Brake device having adjustable spring member |
| US7182180B2 (en) * | 2004-11-26 | 2007-02-27 | Tektro Technology Corporation | Bike brake clamp |
| US7975810B2 (en) * | 2007-08-10 | 2011-07-12 | Liu Robert Z | Cam activated bicycle wheel brake |
| US8096392B2 (en) * | 2007-09-26 | 2012-01-17 | Craig Hawley Edwards | Light weight bicycle brake assembly |
| US8151945B2 (en) * | 2010-05-25 | 2012-04-10 | Tektro Technology Corporation | Bicycle brake with a mechanism for quickly loosening brake cable |
| US8342295B2 (en) * | 2011-03-04 | 2013-01-01 | Shimano, Inc. | Return spring apparatus for a bicycle brake |
| US8651243B2 (en) * | 2011-03-04 | 2014-02-18 | Shimano, Inc. | Hydraulic rim brake for a bicycle |
| US8336680B2 (en) * | 2011-03-04 | 2012-12-25 | Shimano, Inc. | Center-pull bicycle brake with synchronized brake arms |
| US9561835B2 (en) * | 2012-06-19 | 2017-02-07 | Shimano Inc. | Bicycle brake assembly |
| US8869949B2 (en) * | 2012-06-26 | 2014-10-28 | Sram, Llc | Rim brake |
| US9272749B1 (en) * | 2014-09-30 | 2016-03-01 | Tektro Technology Corp | Brake structure capable of adjusting a distance between two brake shoes of a bicycle |
| TWI537172B (en) * | 2015-03-24 | 2016-06-11 | 溫芫鋐 | Brake for a bicycle |
| US10207767B2 (en) * | 2015-09-10 | 2019-02-19 | Sram, Llc | Bicycle rim brake |
-
2016
- 2016-06-28 EP EP16176547.4A patent/EP3112244A1/en not_active Withdrawn
- 2016-06-28 JP JP2016127752A patent/JP6814559B2/en active Active
- 2016-06-29 CN CN201610495702.0A patent/CN106314661B/en active Active
- 2016-06-29 US US15/196,675 patent/US10259521B2/en active Active
- 2016-06-30 TW TW105120654A patent/TWI708706B/en active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101076473A (en) * | 2005-12-02 | 2007-11-21 | 坎培诺洛有限公司 | Bicycle brake |
| CN201169355Y (en) * | 2008-01-07 | 2008-12-24 | 利奇机械工业股份有限公司 | Synchronous brake clamp |
| US20120222921A1 (en) * | 2011-03-04 | 2012-09-06 | Shimano, Inc. | Bicycle brake with synchronized brake arms |
| US20140041969A1 (en) * | 2012-08-09 | 2014-02-13 | Szu-Fang Tsai | Bicycle brake unit |
Cited By (1)
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| CN110466661A (en) * | 2018-05-11 | 2019-11-19 | 株式会社岛野 | Cable adjuster |
Also Published As
| Publication number | Publication date |
|---|---|
| US20170001681A1 (en) | 2017-01-05 |
| US10259521B2 (en) | 2019-04-16 |
| TWI708706B (en) | 2020-11-01 |
| CN106314661B (en) | 2020-06-19 |
| JP6814559B2 (en) | 2021-01-20 |
| JP2017061295A (en) | 2017-03-30 |
| TW201704656A (en) | 2017-02-01 |
| EP3112244A1 (en) | 2017-01-04 |
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